﻿// Copyright (c) 2010 Dan Popick

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace Open.Web.Stijl.Css
{
    public class SpriteableRuleSet: RuleSet
    {
        public RepeatType Repeat { get; set; }
        public string Url { get; set; }
        public ImagePosition? LeftPosition { get; set; }
        public ImagePosition? TopPosition { get; set; }
        public int SpriteXOffset { get; set; }
        public int SpriteYOffset { get; set; }

        public SpriteableRuleSet(string selectorSet, List<Declaration> properties)
            :base(selectorSet, properties) { }

        public override void Write(TextWriter tw)
        {
            tw.Write(SelectorSet);
            tw.Write(" {");
            tw.Write(String.Format("background:url({0}) ", Url));
            if (SpriteXOffset != 0)
            {
                tw.Write(SpriteXOffset);
                tw.Write("px ");
            }
            else
                tw.Write("0 ");

            if (SpriteYOffset != 0)
            {
                tw.Write(SpriteYOffset);
                tw.Write("px ");
            }
            else
                tw.Write("0 ");

			switch (Repeat)
			{
				case RepeatType.RepeatX: tw.Write("repeat-x"); break;
				case RepeatType.RepeatY: tw.Write("repeat-y"); break;
			}

            Properties.ForEach(x =>
                {
                    tw.Write(';');
                    WriteObject(tw, x);
                });
            tw.Write("}");
        }
    }
}
